Resource allocation method and apparatus

Abstract

Embodiments of the present disclosure describe a resource allocation method and apparatus. In an embodiment, the method may include receiving, by a base station, a downlink signal interference value that is sent by at least one UE associated with the base station and capability information of the at least one UE. The method may also include determining, by the base station, a belonging type of the at least one UE according to the downlink signal interference value and the capability information, and determining a duplex mode of the at least one UE according to the belonging type. Furthermore, the method may include allocating, based on the duplex mode, a resource to the at least one UE, and then sending the resource to the UE.

What is claimed is: 
     
       1. A resource allocation method, comprising:
 receiving, by a base station, a downlink signal interference value that is sent by at least one user equipment (UE) associated with the base station and capability information of the at least one UE; 
 determining, by the base station, a belonging type of the at least one UE according to the downlink signal interference value and the capability information; 
 determining a duplex mode of the at least one UE according to the belonging type; 
 allocating, based on the duplex mode, a resource to the at least one UE; and 
 sending the resource to the UE. 
 
     
     
       2. The method according to  claim 1 , wherein the downlink signal interference value is obtained by the UE according to a downlink signal value of a serving cell and a downlink signal interference value of a neighboring cell of the serving cell that are obtained by a measurement. 
     
     
       3. The method according to  claim 1 , wherein the downlink signal interference value is a signal to interference plus noise ratio (SINR) of a downlink signal; and
 the determining, by the base station, a belonging type of the at least one UE according to the downlink signal interference value and the capability information comprises: 
 if the SINR is greater than or equal to a first specified threshold and the capability information of the UE is that the UE can be associated with at least two base stations, determining that the belonging type of the UE is multi-connection UE; or if the SINR is less than a first specified threshold and the capability information of the UE is that the UE can be associated with only one base station, determining that the belonging type of the UE is single-connection UE. 
 
     
     
       4. The method according to  claim 3 , wherein that if the SINR is less than a first specified threshold and the capability information of the UE is that the UE can be associated with only one base station, determining that the belonging type of the UE is single-connection UE comprises:
 if the SINR is less than the first specified threshold, the SINR is greater than or equal to a second specified threshold, and the capability information of the UE is that the UE can be associated with only one base station, determining that the belonging type of the UE is a first type of single-connection UE; 
 if the SINR is less than a second specified threshold, the SINR is greater than or equal to a third specified threshold, and the capability information of the UE is that the UE can be associated with only one base station, determining that the belonging type of the UE is a second type of single-connection UE; or 
 if the SINR is less than a third specified threshold and the capability information of the UE is that the UE can be associated with only one base station, determining that the belonging type of the UE is a third type of single-connection UE, wherein 
 the second specified threshold is greater than the third specified threshold, and the second specified threshold is less than the first specified threshold. 
 
     
     
       5. The method according to  claim 3 , wherein the determining a duplex mode of the at least one UE according to the belonging type comprises:
 if the belonging type is multi-connection UE, determining that the duplex mode of the multi-connection UE is frequency division duplex; or if the belonging type is single-connection UE, determining that the duplex mode of the single-connection UE is time division duplex. 
 
     
     
       6. The method according to  claim 5 , wherein the allocating, based on the duplex mode, a resource to the at least one UE comprises:
 determining that a spectrum resource of the multi-connection UE is a multi-connection frequency band, and determining bandwidth of the multi-connection frequency band according to the following manner: 
 
       
         
           
             
               
                 
                   BW 
                   
                     m 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     c 
                   
                 
                 = 
                 
                   
                     
                       ∑ 
                       
                         T 
                         
                           i 
                           , 
                           
                             m 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             c 
                           
                         
                       
                     
                     T 
                   
                   ⁢ 
                   BW 
                 
               
               , 
             
           
         
       
       wherein
 BW mc  is the bandwidth of the multi-connection frequency band, T is a resource required by all UEs associated with the base station, BW is total bandwidth, and T i,mc  is a resource service required by multi-connection UE associated with a base station i. 
 
     
     
       7. The method according to  claim 5 , wherein the allocating, based on the duplex mode, a resource to the at least one UE comprises:
 determining that a spectrum resource of the single-connection UE is a single-connection frequency band, and determining bandwidth of the single-connection frequency band according to the following manner:
     BW   sc   =BW−BW   mc , wherein 
 
 BW sc  is the bandwidth of the single-connection frequency band, BW is total bandwidth, and BW mc  is bandwidth of a multi-connection frequency band. 
 
     
     
       8. The method according to  claim 5 , wherein the time division duplex comprises static time division duplex; and
 the allocating, based on the duplex mode, a resource to the at least one UE comprises: 
 for a first type of single-connection UE, setting a priority for the first type of single-connection UE to use a time domain resource of an almost blank subframe (ABS) to the highest; 
 for a second type of single-connection UE, allocating, to the second type of single-connection UE, a timeslot resource that is a first distance away from an uplink and downlink switching point; and 
 for a third type of single-connection UE, allocating, to the third type of single-connection UE, a timeslot resource that is a second distance away from the uplink and downlink switching point, wherein 
 the first distance is greater than the second distance. 
 
     
     
       9. The method according to  claim 5 , wherein the time division duplex comprises dynamic time division duplex; and
 the allocating, based on the duplex mode, a resource to the at least one UE comprises: 
 for a first type of single-connection UE, setting a priority for the first type of single-connection UE to use a time domain resource of an ABS to the highest, and setting, to the highest, a priority for the first type of single-connection UE to use a timeslot resource that is a third distance away from an uplink and downlink switching point; 
 for a second type of single-connection UE, setting, to the highest, a priority for the second type of single-connection UE to use a timeslot resource that is a fourth distance away from the uplink and downlink switching point; and 
 for a third type of single-connection UE, setting, to the highest, a priority for the third type of single-connection UE to use a timeslot resource that is a fifth distance away from the uplink and downlink switching point, wherein 
 the third distance is greater than or equal to the fourth distance, and the fifth distance is less than the third distance and is less than the fourth distance. 
 
     
     
       10. The method according to  claim 5 , wherein the allocating, based on the duplex mode, a resource to the at least one UE comprises:
 obtaining, by the base station, a resource required by the single-connection UE for transmitting uplink data and transmitting downlink data; and 
 determining, according to the resource required for transmitting the uplink data and transmitting the downlink data, a timeslot proportion for transmitting the uplink data and the downlink data. 
 
     
     
       11. The method according to  claim 10 , wherein the timeslot proportion for transmitting the uplink data and the downlink data is determined according to the following manner: 
       
         
           
             
               
                 
                   S 
                   
                     ul 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     2 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     dl 
                   
                 
                 = 
                 
                   
                     ∑ 
                     
                       T 
                       
                         i 
                         , 
                         ul 
                       
                     
                   
                   
                     ∑ 
                     
                       T 
                       
                         i 
                         , 
                         dl 
                       
                     
                   
                 
               
               , 
             
           
         
       
       wherein
 S ul2dl  is the timeslot proportion, T i,ul  is a resource required by the single-connection UE associated with the base station for transmitting the uplink data, and T i,dl  is a resource required by the single-connection UE associated with the base station for transmitting the downlink data. 
 
     
     
       12. A resource allocation apparatus, comprising:
 a receiver, configured to receive a downlink signal interference value that is sent by at least one user equipment (UE) associated with a base station and capability information of the at least one UE; 
 a processor, configured to: determine a belonging type of the at least one UE according to the downlink signal interference value and the capability information; determine a duplex mode of the at least one UE according to the belonging type; and allocate, based on the duplex mode, a resource to the at least one UE; and 
 a transmitter, configured to send the resource to the UE. 
 
     
     
       13. The apparatus according to  claim 12 , wherein the downlink signal interference value is a signal to interference plus noise ratio (SINR) of a downlink signal; and
 the processor is specifically configured to: if the SINR is greater than or equal to a first specified threshold and the capability information of the UE is that the UE can be associated with at least two base stations, determine that the belonging type of the UE is multi-connection UE; or if the SINR is less than a first specified threshold and the capability information of the UE is that the UE can be associated with only one base station, determine that the belonging type of the UE is single-connection UE. 
 
     
     
       14. The apparatus according to  claim 13 , wherein the processor is configured to: if the SINR is less than the first specified threshold, the SINR is greater than or equal to a second specified threshold, and the capability information of the UE is that the UE can be associated with only one base station, determine that the belonging type of the UE is a first type of single-connection UE; if the SINR is less than a second specified threshold, the SINR is greater than or equal to a third specified threshold, and the capability information of the UE is that the UE can be associated with only one base station, determine that the belonging type of the UE is a second type of single-connection UE; or if the SINR is less than a third specified threshold and the capability information of the UE is that the UE can be associated with only one base station, determine that the belonging type of the UE is a third type of single-connection UE, wherein the second specified threshold is greater than the third specified threshold, and the second specified threshold is less than the first specified threshold. 
     
     
       15. The apparatus according to  claim 13 , wherein the processor is configured to: if the belonging type is multi-connection UE, determine that the duplex mode of the multi-connection UE is frequency division duplex; or if the belonging type is single-connection UE, determine that the duplex mode of the single-connection UE is time division duplex. 
     
     
       16. The apparatus according to  claim 15 , wherein the processor is configured to: determine that a spectrum resource of the multi-connection UE is a multi-connection frequency band, and determine bandwidth of the multi-connection frequency band according to the following manner: 
       
         
           
             
               
                 
                   BW 
                   
                     m 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     c 
                   
                 
                 = 
                 
                   
                     
                       ∑ 
                       
                         T 
                         
                           i 
                           , 
                           
                             m 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             c 
                           
                         
                       
                     
                     T 
                   
                   ⁢ 
                   BW 
                 
               
               , 
             
           
         
       
       wherein
 BW mc  is the bandwidth of the multi-connection frequency band, T is a resource required by all UEs associated with the base station, BW is total bandwidth, and T i,mc  is a resource service required by multi-connection UE associated with a base station i. 
 
     
     
       17. The apparatus according to  claim 15 , wherein the processor is configured to: determine that a spectrum resource of the single-connection UE is a single-connection frequency band, and determine bandwidth of the single-connection frequency band according to the following manner:
     BW   sc   =BW−BW   mc , wherein 
 BW sc  is the bandwidth of the single-connection frequency band, BW is total bandwidth, and BW mc  is bandwidth of a multi-connection frequency band. 
 
     
     
       18. The apparatus according to  claim 15 , wherein the time division duplex comprises static time division duplex; and
 the processor is configured to: for a first type of single-connection UE, set a priority for the first type of single-connection UE to use a time domain resource of an almost blank subframe (ABS) to the highest; for a second type of single-connection UE, allocate, to the second type of single-connection UE, a timeslot resource that is a first distance away from an uplink and downlink switching point; and for a third type of single-connection UE, allocate, to the third type of single-connection UE, a timeslot resource that is a second distance away from the uplink and downlink switching point, wherein the first distance is greater than the second distance. 
 
     
     
       19. The apparatus according to  claim 15 , wherein the time division duplex comprises dynamic time division duplex; and
 the processor is configured to: for a first type of single-connection UE, set a priority for the first type of single-connection UE to use a time domain resource of an ABS to the highest, and set, to the highest, a priority for the first type of single-connection UE to use a timeslot resource that is a third distance away from an uplink and downlink switching point; for a second type of single-connection UE, set, to the highest, a priority for the second type of single-connection UE to use a timeslot resource that is a fourth distance away from the uplink and downlink switching point; and for a third type of single-connection UE, set, to the highest, a priority for the third type of single-connection UE to use a timeslot resource that is a fifth distance away from the uplink and downlink switching point, wherein the third distance is greater than or equal to the fourth distance, and the fifth distance is less than the third distance and is less than the fourth distance. 
 
     
     
       20. The apparatus according to  claim 15 , wherein the processor is configured to:
 obtain a resource required by the single-connection UE for transmitting uplink data and transmitting downlink data; and determine, according to the resource required for transmitting the uplink data and transmitting the downlink data, a timeslot proportion for transmitting the uplink data and the downlink data.